Finding the Fourth Proportional to 9,167.51, 12,656.84 and 7,038.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,167.51 : 12,656.84 = 7,038.96 : x
2. Step 2: Convert to fraction form
   9,167.51/12,656.84 = 7,038.96/x
3. Step 3: Cross multiply
   9,167.51x = 12,656.84 × 7,038.96
4. Step 4: Simplify right side
   9,167.51x = 89,090,955.29
5. Step 5: Solve for x
   x = 89,090,955.29/9,167.51
6. Step 6: Final answer
   x = 9,718.12